Modified SpiderFoot Dockerfile for pulling latest spiderfoot version

spiderfoot-Dockerfile

#
# Spiderfoot Dockerfile
#
# http://www.spiderfoot.net
#
# Originally written by: Michael Pellon <[email protected]>
#
# https://github.com/smicallef/spiderfoot/blob/master/Dockerfile
#
# This Dockerfile has been updated to download the latest version
# of spiderfoot.
#
# Usage:
#
#   sudo docker build -t spiderfoot .
#   sudo docker run -it -p 8080:8080 spiderfoot

# Pull the base image.
FROM ubuntu:14.04

# Install pre-requisites.
RUN apt-get update && apt-get install -y \
  build-essential \
  curl \
  git \
  libssl-dev \
  libxml2-dev \
  libxslt1-dev \
  python-pip  \
  python-dev \
  python-lxml \
  swig \
  --no-install-recommends \
  && rm -rf /var/lib/apt/lists/* \
  && pip install cherrypy lxml mako M2Crypto netaddr

# Create a dedicated/non-privileged user to run the app.
RUN addgroup spiderfoot && \
    useradd -r -g spiderfoot -d /home/spiderfoot -s /sbin/nologin -c "SpiderFoot User" spiderfoot

# Download the specified release.
WORKDIR /home
RUN curl -sSL https://github.com/smicallef/spiderfoot/archive/master.tar.gz \
  | tar -v -C /home -xz \
  && mv /home/spiderfoot-master /home/spiderfoot \
  && chown -R spiderfoot:spiderfoot /home/spiderfoot

USER spiderfoot
WORKDIR /home/spiderfoot

EXPOSE 8080

# Run the application.
ENTRYPOINT ["/usr/bin/python"]
CMD ["sf.py", "0.0.0.0:8080"]